Incremental Forming of Titanium Ti6Al4V Alloy for Cranioplasty Plates—Decision-Making Process and Technological Approaches

Author:

Racz Sever,Breaz Radu,Tera MelaniaORCID,Gîrjob Claudia,Biriș Cristina,Chicea Anca,Bologa Octavian

Abstract

Ti6Al4V titanium alloy is considered a biocompatible material, suitable to be used for manufacturing medical devices, particularly cranioplasty plates. Several methods for processing titanium alloys are reported in the literature, each one presenting both advantages and drawbacks. A decision-making method based upon AHP (analytic hierarchy process) was used in this paper for choosing the most recommended manufacturing process among some alternatives. The result of AHP indicated that single-point incremental forming (SPIF) at room temperature could be considered the best approach when manufacturing medical devices. However, Ti6Al4V titanium alloy is known as a low-plasticity material when subjected to plastic deformation at room temperature, so special measures had to be taken. The experimental results of processing parts from Ti6Al4V titanium alloy by means of SPIF and technological aspects are considered.

Publisher

MDPI AG

Subject

General Materials Science,Metals and Alloys

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1. Characterization approaches affect asymmetric load predictions of hexagonal close-packed alloy;Journal of Materials Research and Technology;2023-09

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